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Aleksandr-060686 [28]
3 years ago
6

-2x + 7 = -32 i need help hurry plsss

Mathematics
1 answer:
irina [24]3 years ago
3 0

Answer Is x= -19.5

-2x =  -39

-x= 19.5

x= -19.5

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Answer:

Graph: Refer to attached image

Solution: (-5,-3)

Step-by-step explanation:

First graph to two equations.

Refer to the image attached to see what the equations would look like when graphed.

Wherever they intersect is the solution.

They intersect at (-5,-3) therefore (-5,-3) is the solution to the system of equations

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3 years ago
When dante was born, his grandparents deposited $10,000 into a special college fund that paid 4% annual interest, compounded mon
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Using compound interest, it is found that Dante was 6.6 years old when the balance in the account reached $13,000.

<h3>What is compound interest?</h3>

The amount of money earned, in compound interest, after t years, is given by:

A(t) = P\left(1 + \frac{r}{n}\right)^{nt}

In which:

  • A(t) is the amount of money after t years.
  • P is the principal(the initial sum of money).
  • r is the interest rate(as a decimal value).
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In this problem, we have that the parameters are given as follows:

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Hence the time in years is found as follows:

A(t) = P\left(1 + \frac{r}{n}\right)^{nt}

13000 = 10000\left(1 + \frac{0.04}{12}\right)^{12t}

(1.0033)^{12t} = 1.3

\log{(1.0033)^{12t}} = \log{1.3}

12t\log{1.0033} =  \log{1.3}

t = \frac{\log{1.3}}{12\log{1.0033}}

t = 6.6

More can be learned about compound interest at brainly.com/question/25781328

#SPJ1

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